Hardware Spec Index

Lumora DR-6649 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit

Memory · Lumora · SKU DR6649-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index8,102 (Memory scale)
Category rank#39,406
Street price$269
Power22 W
Performance per dollar30.12
Released2026

Specifications

BrandLumora
ModelLumora DR-6649 Ultra
Memory typeDDR5 UDIMM (288-pin)
SpeedDDR5-8400 (8,400 MT/s)
Kit capacity64 GB (4 × 16 GB)
Timings40-44-44-88
CAS latencyCL40
First-word latency9.52 ns
Voltage1.40 V
ProfileAMD EXPO
ECCOn-die ECC (not system ECC)
Power managementOn-module PMIC
Heat spreaderAluminum, RGB lighting

Related guides

DDR5 Memory ExplainedDDR4 vs DDR5CAS Latency (CL) and RAM TimingsXMP vs EXPO

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All Memory · JSON

Cite this page: Hardware Spec Index, “Lumora DR-6649 Ultra DDR5-8400 64GB (4×16GB) CL40 Kit”, https://vextor7.com/item/8066710 (accessed 2026-10-22).